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B - Exponential AtCoder

Last updated at Posted at 2022-05-07

問題

回答

n = int(input())
ans = []

for i in range(1,1001):
    for j in range(2,101):
        if i ** j <= n:
            ans.append(i**j)
 
print(max(ans))

ポイント

冪乗の概念が理解できなかった。

1 →1の9乗
2 →2の4乗
3 →3の2乗
4 →2の2乗
5 →5の1乗 →冪乗数ではない
6 →6の1乗 →冪乗数ではない
7 →7の1乗 →冪乗数ではない
8 →2の3乗
9 →3の2乗
10 →10の1乗 →冪乗数ではない

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